hand
In Spanish, 'mano' refers to the end part of a person's arm which includes the fingers and thumb. Just as in English, it can be used in various contexts and phrases e.g. 'Dame tu mano' which means 'Give me your hand'. It's a feminine noun despite ending in 'o' which is atypical as most Spanish words ending in 'o' are masculine.
This t-shirt costs five euros per hand.
The phrase 'por mano' is used to denote the quantity per unit, in this case, it means per piece.
It's on the right hand.
The word 'mano' is used to indicate direction or side, in this context, it means 'on the right side'.
Let's play old school poker, hand to hand.
In Spanish, 'mano a mano' refers to doing something one-on-one or face-to-face.
Hand in hand, we won the soccer match.
In this context, 'mano a mano' is a metaphor meaning that they cooperated closely to win the match.
You are my right hand in this project.
The phrase 'mano derecha' refers to someone’s right-hand man, a person who someone relies on heavily.
This ring doesn't fit on my hand.
Here 'mano' is used to denote the physical hand of a person.
With clean hands, I fought for my rights.
'A mano limpia' is a metaphor to express fairness or honesty in performing an action.
Don't put your hand in the fire for anyone!
This phrase means not to vouch for anyone blindly.
He gets along well with his neighbors, he has a good left hand.
'Tener buena mano izquierda' is an idiom that means a person has good tact or diplomacy.
Give me a hand with these bags!
'Dame una mano' is a common phrase in Spanish, meaning to ask someone for help with something.